* SugarWiki/AwesomeAnimation: One of the main draws of this anime, especially in its fights.
%%* SugarWiki/AwesomeMusic: The entire series.
* CompleteMonster:
** [[FallenHero Eko Hoshunin]], an immortal ''Karas'' who became disillusioned towards his perceptions towards humanity, decided the best course of action is to have [[KillAllHumans entire human populations wiped out]] to reshape the world [[InTheirOwnImage in his own image]]. Introduced brutally killing the previous ''Karas'' by slicing his arms off before hacking him to death, Eko then recruits his own legion of ''mikuras'' followers, sending them on a killing spree throughout Shinjuku. Sacrificing his loyal henchwoman Tsuchigumo to attain ultimate power, Eko uses his empowered tentacles to destroy most of Shinjuku, draining the lives of millions and leaving desiccated carcasses of civilians all over the streets. Eko's actions would disprove his claims to be fighting to preserve ''youkai'' and preventing Otoha from falling to the dark side as he did, painting him as a NotSoWellIntentionedExtremist as his destruction of Shinjuku leaves multiple harmless ''youkai'' exposed to danger as well, besides attempting to have Otoha killed and later gaining a OneWingedAngel monstrous form with which he tried to devour Otoha.
** [[KillerCop Commissioner Gyuuki]] is formerly a human, who deliberately sold his soul to Eko to obtain ''mikuras'' powers. Turning into a monstrous form known as the "Ushio-Oni", Gyuuki devours Yoshiko's family when she was a child, leaving Yoshiko traumatized until she is [[GoMadFromTheRevelation sent to a sanatorium]]. Earning the trust of his superior Chief Sagisaka, when Shinjuku gets destroyed Gyuuki pretends to be in control of the crisis and have hundreds of citizens corralled in an underground shelter, before revealing his true monstrous form and then turning the shelter into his personal buffet as he [[ToServeMan devours innocents by the dozens]], as well as [[SwallowedWhole chomping on Chief Sagisaka]], chewing him into a pulp and spitting him out for trying to show resistance. Gyuuki further proves his sadism which sticks out from other ''mikuras'', as he deliberately goes after a [[WouldHurtAChild recently-orphaned little girl]].
* FridgeBrilliance: Why is Otoha unaffected by pain? Never overtly explained, but then you remember [[spoiler: that he's the child of an incestuous relationship. It's a genetic disorder!]]
** {{Cruelty is the only option}} for Mikura as they need fresh blood so it ensures loyalty
** Why is Kamaitachi so crazy? Kamaittachi according to folklore work in groups of 3. What are the chances Kamaitachi is the {{sole survivor}}? Especially since in some versions the Kamaitachi are brothers. Or maybe hes a some kind of amalgamation of the three, he does have an awful lot of blades after all...
* HoYay: Otoha and [[spoiler: Reiji]].
** [[spoiler: They were going to move to New Zealand together!]] ''AND''
--->"It doesn't matter where we go, as long as you're there."
* NauseaFuel: The sound of someone wiping his ass. Yuck.
** Episodes 4 and 5. To the point of episode 6 and the high-flying super-powered combat feeling like MoodWhiplash.
* NightmareFuel: You can't say that Kamaitachi's first appearance in the hospital, with the insane laughter and spouting blades out of ''everything'' [[https://www.youtube.com/watch?v=wOuSYTXMwlk isn't creepy as hell.]]
** The mere premise behind the Mikura. Cyborg youkai who disguise themselves as humans, who feed on human blood to survive, some of who will flat out eat humans. And Eko intends to forcibly convert youkai into Mikura.
* ParanoiaFuel: The Mikura can masquerade as humans, meaning they can be anywhere at any given moment.
* UglyCute: Pretty much every single true youkai qualifies, but especially Amefurikozo, the childlike snail-spirit who serves as Nue's MoralityPet.
* ViewerGenderConfusion: It's easy to mistake Amefuriko for a female.
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